Multi-angle grinding fixture

Details Multi-angle grinding fixture Multi-angle grinding fixture

1971-12-13

1976-01-20

Smith, Al Lawrence

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51221BS, B24B 324

Patent

active

039329640

ABSTRACT:
A multi-angle grinding fixture comprising a block formed from suitable steel which has slots for holding a spade drill blade in predetermined positions. The blade is held in a first slot for grinding the primary side clearance on each side of the blade. The blade is held in a second slot for grinding a secondary side clearance on each side of the blade. The blade is held in a third slot for cutting the cutting lip angle or for grinding the cutting lip angle on each side of the blade. The blade is held in a fourth slot for cutting or grinding the radius of the cutting edge lip on each side of the blade. The fixture block may be used for either new construction work on a blade or for regrinding a blade.

REFERENCES:
patent: 1426965 (1922-08-01), Crowther
patent: 2375358 (1945-05-01), Hart
patent: 2409936 (1946-10-01), Hunt
patent: 2470530 (1949-05-01), Stryhal
patent: 3065580 (1962-11-01), Benjamin et al.
patent: 3395496 (1968-08-01), Sweeny

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